T omas Montoya has sold festival foods—funnel cakes, burgers, hot dogs—across the American Southwest for years. But lately, business has been rough. Costs are up, so he’s increased his prices. Employees are begging for hours he can’t give them. In Arizona, where he lives, Montoya pays $6 a gallon to fill up his food trucks with diesel. This summer, he may have to skip the California leg of his festival route because fuel is even more expensive there. “It’s Trump,” Montoya told us outside a